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-rw-r--r--test/builtins/Unit/arm/aeabi_cfcmple_test.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/test/builtins/Unit/arm/aeabi_cfcmple_test.c b/test/builtins/Unit/arm/aeabi_cfcmple_test.c
new file mode 100644
index 000000000000..aebe4257e29e
--- /dev/null
+++ b/test/builtins/Unit/arm/aeabi_cfcmple_test.c
@@ -0,0 +1,92 @@
+//===-- aeabi_cfcmple.c - Test __aeabi_cfcmple and __aeabi_cfrcmple -------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file tests __aeabi_cfcmple and __aeabi_cfrcmple for the compiler_rt
+// library.
+//
+//===----------------------------------------------------------------------===//
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+#include "call_apsr.h"
+
+#if __arm__
+
+extern __attribute__((pcs("aapcs"))) void __aeabi_cfcmple(float a, float b);
+extern __attribute__((pcs("aapcs"))) void __aeabi_cfrcmple(float a, float b);
+
+int test__aeabi_cfcmple(float a, float b, int expected)
+{
+ int32_t cpsr_value = call_apsr_f(a, b, __aeabi_cfcmple);
+ int32_t r_cpsr_value = call_apsr_f(b, a, __aeabi_cfrcmple);
+
+ if (cpsr_value != r_cpsr_value) {
+ printf("error: __aeabi_cfcmple(%f, %f) != __aeabi_cfrcmple(%f, %f)\n", a, b, b, a);
+ return 1;
+ }
+
+ int expected_z, expected_c;
+ if (expected == -1) {
+ expected_z = 0;
+ expected_c = 0;
+ } else if (expected == 0) {
+ expected_z = 1;
+ expected_c = 1;
+ } else {
+ // a or b is NaN, or a > b
+ expected_z = 0;
+ expected_c = 1;
+ }
+
+ union cpsr cpsr = { .value = cpsr_value };
+ if (expected_z != cpsr.flags.z || expected_c != cpsr.flags.c) {
+ printf("error in __aeabi_cfcmple(%f, %f) => (Z = %d, C = %d), expected (Z = %d, C = %d)\n",
+ a, b, cpsr.flags.z, cpsr.flags.c, expected_z, expected_c);
+ return 1;
+ }
+
+ cpsr.value = r_cpsr_value;
+ if (expected_z != cpsr.flags.z || expected_c != cpsr.flags.c) {
+ printf("error in __aeabi_cfrcmple(%f, %f) => (Z = %d, C = %d), expected (Z = %d, C = %d)\n",
+ a, b, cpsr.flags.z, cpsr.flags.c, expected_z, expected_c);
+ return 1;
+ }
+ return 0;
+}
+#endif
+
+int main()
+{
+#if __arm__
+ if (test__aeabi_cfcmple(1.0, 1.0, 0))
+ return 1;
+ if (test__aeabi_cfcmple(1234.567, 765.4321, 1))
+ return 1;
+ if (test__aeabi_cfcmple(765.4321, 1234.567, -1))
+ return 1;
+ if (test__aeabi_cfcmple(-123.0, -678.0, 1))
+ return 1;
+ if (test__aeabi_cfcmple(-678.0, -123.0, -1))
+ return 1;
+ if (test__aeabi_cfcmple(0.0, -0.0, 0))
+ return 1;
+ if (test__aeabi_cfcmple(1.0, NAN, 1))
+ return 1;
+ if (test__aeabi_cfcmple(NAN, 1.0, 1))
+ return 1;
+ if (test__aeabi_cfcmple(NAN, NAN, 1))
+ return 1;
+#else
+ printf("skipped\n");
+#endif
+ return 0;
+}